Drop support for jruby 9.0.1.0
Drop support for jruby 9.0.1.0

[#106242058]
(https://www.pivotaltracker.com/story/show/106242058)

Signed-off-by: Amin Jams <2a8a1939169aaaf7d731bc6f08ed1c227144135f@gmail.com>

ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby,jumptvs/BP_Ruby,ekaranto/rails4-bluemix-buildpack,ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby,jumptvs/BP_Ruby,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,ekaranto/rails4-bluemix-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack